B3 · STMN34 · stock
STMicroelectronics N.V. (STMN34) stock price history
Every B3 trading session of STMicroelectronics N.V. from Nov 22, 2019 to Sep 28, 2026: 1,704 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
STMN34 adjusted close, 2019 to 2026
- R$416.33
- All time high, 2026
- R$443.20
- 52 week high, R$118.94 low
- 1,704
- Daily sessions since 2019
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2019 to 2026 series and minute bars.
STMN34 key facts
- STMicroelectronics N.V. (STMN34) closed at R$277.28 on Sep 28, 2026 on B3.
- STMN34's all time high close is R$416.33, set on Jun 22, 2026; its all time low close is R$82.52 on Mar 20, 2020.
- STMN34's 52 week range is R$118.94 to R$443.20.
- STMN34 returned +85.0% over the year to Sep 28, 2026 and +20.6% over five years.
- Since Nov 22, 2019 STMN34 returned +190%, +16.8% a year compounded.
- STMN34's deepest drawdown was -61.3% from Nov 19, 2021 to Apr 4, 2025.
- DataCedar holds 1,704 daily sessions of STMN34 history from Nov 22, 2019 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
STMN34 price chart, 2019 to 2026
STMN34 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +6.2% |
| 3 months | -24.5% |
| 6 months | +61.5% |
| Year to date | +132.3% |
| 1 year | +85.0% |
| 3 years | +30.6% |
| 5 years | +20.6% |
| 10 years | n/a |
| Since Nov 22, 2019 | +190.0% |
| Compound annual growth, 6.9 years | +16.8% |
STMN34 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$416.33 on Jun 22, 2026
- All time low close
- R$82.52 on Mar 20, 2020
- 52 week high
- R$443.20 on Jun 22, 2026
- 52 week low
- R$118.94 on Nov 27, 2025
- Deepest drawdown
- -61.3% from Nov 19, 2021 to Apr 4, 2025, recovered May 11, 2026
- Best single session
- +40.8% on Sep 4, 2020
- Worst single session
- -31.3% on Mar 20, 2020
- Volatility, 1 year annualised
- 62.5%
- Sessions closing higher, 1 year
- 24%
- Growth of 1 since 2019
- 2.9×
- Best calendar year
- 2020, +71%
- Worst calendar year
- 2024, -38%
STMN34 price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2019 starts on Nov 22, 2019; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$119.36 | R$443.20 | R$119.36 | R$277.28 | +132.3% | 13.2K | 185 |
| 2025 | R$147.68 | R$176.38 | R$103.82 | R$119.36 | -19.9% | 1.9K | 250 |
| 2024 | R$231.81 | R$235.22 | R$137.75 | R$148.98 | -37.7% | 1.8K | 251 |
| 2023 | R$189.10 | R$266.88 | R$186.99 | R$239.03 | +26.4% | 8.8K | 248 |
| 2022 | R$272.89 | R$272.96 | R$148.81 | R$189.10 | -30.7% | 15.5K | 250 |
| 2021 | R$192.59 | R$277.85 | R$174.52 | R$272.89 | +52.7% | 21.3K | 247 |
| 2020 | R$104.61 | R$206.02 | R$82.52 | R$178.76 | +70.9% | 6.7K | 248 |
| 2019 | R$95.63 | R$105.46 | R$95.63 | R$104.61 | n/a | 3.2K | 25 |
STMN34 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | R$277.28 | +6.2% |
| August 2026 | R$261.14 | +4.2% |
| July 2026 | R$250.59 | -35.1% |
| June 2026 | R$385.86 | +11.1% |
| May 2026 | R$347.35 | +42.0% |
| April 2026 | R$244.62 | +44.0% |
| March 2026 | R$169.90 | -2.1% |
| February 2026 | R$173.55 | +15.2% |
| January 2026 | R$150.60 | +26.2% |
| December 2025 | R$119.36 | +0.4% |
| November 2025 | R$118.94 | -12.2% |
| October 2025 | R$135.44 | -9.1% |
About the STMN34 data
Daily bars. 1,704 sessions from Nov 22, 2019 to Sep 28, 2026, one row per B3 trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Sep 17, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are B3 trading days; minute timestamps are UTC. Prices are in BRL. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Nov 22, 2019, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/STMN34/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
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Common questions
STMN34 share price history
